Name: Monomeric Diphenhydramine DiisocyanateNCO content(% by wt ) : 32.0-33.0Viscosity at 25℃(MPa.5) : 15-35Specific gravity at 25℃(g/cm³): approx. 1.21Acidity(ppm): max.300Appearance: White to pale yellow molten solidFormula: C₁₅H₁₀N₂O₂CAS NO. 101-68-8EI
Polyether polyol (polyether for short) is a kind of organic polymer, which is prepared by polymerization reaction of starting agent (compound containing active hydrogen group) with ethylene oxide (EO), propylene oxide (PO), ethylene oxide butane (BO) and